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Results on both machines over per-connection emulated links: seven grace delay settings with a fifth client CPU; the promising ones over three link qualities (100 Mbit/s 2 ms 0.1%, 20 Mbit/s 5 ms 0.5%, 5 Mbit/s 25 ms 1%); copying against splice() with and without grace delay, the CONNECT mix included; and the slow link with waits matched to its rate (10 and 20 ms). Grace delay saves 35-46% of 3proxy's CPU per gigabyte on streams at 20 Mbit/s and 21-29% at 5 Mbit/s with a 10 ms wait, does nothing on fast links, and costs CPU with waits too short for the rate or once the CPU is exhausted. Over these links splice() and copying cost about the same in the mix scenarios. A caveat says that every scenario but the mix ones is synthetic. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
14 KiB
14 KiB
| 1 | proxy | scenario | rep | gbit | rate | p50_ms | p90_ms | p99_ms | errors | timeouts | retrans | prx_cpu_s | prx_task_s | cpu_s_per_gb | cpu_us_per_req | peak_mb | cli_util | prx_util | srv_util | cli_thread | srv_thread | bound |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | nginx-halfclose | relay-stream16 | 0 | 0.28761229371451075 | nan | nan | nan | nan | 0 | 0 | 1322 | 6.08 | 2.82055 | 16.886319166363304 | nan | 30.03515625 | 0.016604303086997195 | 0.5135135135135135 | 0.2323429128105212 | 0.012357064965367055 | 0.26953074390819126 | none |
| 3 | 3proxy-devel | relay-stream16 | 0 | 0.2910809835741782 | nan | nan | nan | nan | 0 | 0 | 1236 | 6.8 | 3.784595 | 18.661828349820144 | nan | 3.29296875 | 0.01801363193768257 | 0.5970149253731343 | 0.25160652496292635 | 0.014265261345882347 | 0.3115304087498602 | none |
| 4 | 3proxy-devel-g8000,2,2 | relay-stream16 | 0 | 0.27547083066313616 | nan | nan | nan | nan | 0 | 0 | 1163 | 4.84 | 2.6104149999999997 | 14.035070137305208 | nan | 3.33984375 | 0.011555555555555555 | 0.451071761416589 | 0.09230769230769231 | 0.014266072283268694 | 0.1262398237067552 | none |
| 5 | 3proxy-devel-g6000,2,2 | relay-stream16 | 0 | 0.2787663048732258 | nan | nan | nan | nan | 0 | 0 | 1226 | 5.04 | 2.557953 | 14.444834123779113 | nan | 3.42578125 | 0.01763392857142857 | 0.46238532110091746 | 0.11061507936507936 | 0.014258963628203768 | 0.14605657139436906 | none |
| 6 | 3proxy-devel-g6000,3,2 | relay-stream16 | 0 | 0.27697100670047126 | nan | nan | nan | nan | 0 | 0 | 1219 | 5.02 | 2.492828 | 14.479985083884687 | nan | 3.25 | 0.010258697591436218 | 0.458029197080292 | 0.10973801285219971 | 0.009512393836996149 | 0.14160331278784816 | none |
| 7 | 3proxy-devel-g8000,2,3 | relay-stream16 | 0 | 0.2720299266821451 | nan | nan | nan | nan | 0 | 0 | 1158 | 4.51 | 1.9322620000000001 | 13.244253016142224 | nan | 3.54296875 | 0.00851900393184797 | 0.4055755395683453 | 0.08329226219812716 | 0.01141265286853408 | 0.11111381592088893 | none |
| 8 | nginx-halfclose | mix-relay-3k | 0 | 0.4791716544 | 1902.7 | 2097.152 | 3670.016 | 6291.456 | 0 | 0 | 0 | 7.47 | 3.7570749999999995 | 12.471522355559436 | 392.5999894886214 | 733.3515625 | 0.7811657681940701 | 0.6209476309226932 | 0.22944116310767831 | 1.6401398456125944 | 0.2944695854540008 | client |
| 9 | 3proxy-devel | mix-relay-3k | 0 | 0.46819878319999997 | 1853.8 | 2228.224 | 3932.16 | 6815.744 | 0 | 0 | 0 | 8.92 | 5.313901 | 15.2413894611762 | 481.1738051569749 | 1528.33984375 | 0.7798903734155532 | 0.7597955706984668 | 0.2599160055996267 | 1.6858983982188216 | 0.3486944444921242 | client |
| 10 | 3proxy-devel-g8000,2,2 | mix-relay-3k | 0 | 0.46126417119999996 | 1828.4 | 2359.296 | 4063.232 | 6815.744 | 0 | 0 | 0 | 8.95 | 5.630806 | 15.522558323515414 | 489.4990155327062 | 1519.13671875 | 0.7843442198030067 | 0.7728842832469776 | 0.2702702702702703 | 1.6381276550344859 | 0.3560806785041098 | client |
| 11 | 3proxy-devel-g6000,2,2 | mix-relay-3k | 0 | 0.4509442912 | 1798.5 | 2228.224 | 4063.232 | 6553.6 | 0 | 0 | 0 | 8.58 | 5.097486999999999 | 15.221392384709715 | 477.0642201834862 | 1519.04296875 | 0.7854791197366141 | 0.7454387489139879 | 0.25268566090611866 | 1.6323749674549481 | 0.33195520625891456 | client |
| 12 | 3proxy-devel-g6000,3,2 | mix-relay-3k | 0 | 0.4522230696 | 1789.1 | 2228.224 | 4194.304 | 6815.744 | 0 | 0 | 0 | 9.32 | 6.190079999999999 | 16.487438393169494 | 520.9323123358113 | 1513.015625 | 0.7771013022154575 | 0.7925170068027211 | 0.2594104308390023 | 1.6844400798524122 | 0.3492622111371247 | client |
| 13 | 3proxy-devel-g8000,2,3 | mix-relay-3k | 0 | 0.4731713432 | 1859.3 | 2359.296 | 4063.232 | 6815.744 | 0 | 0 | 0 | 8.75 | 5.181604 | 14.793795314525717 | 470.60721777012856 | 1519.12109375 | 0.7802481902792141 | 0.7491438356164384 | 0.25011473152822394 | 1.6041575985688308 | 0.3341165079072612 | client |
| 14 | nginx-halfclose | mix-http-3k | 0 | 0.4963606016 | 1950.3 | 1966.08 | 3538.944 | 6291.456 | 0 | 0 | 0 | 6.94 | 3.3229789999999997 | 11.185416372901745 | 355.8426908680716 | 528.05859375 | 0.7846772782928109 | 0.5967325881341359 | 0.1783783783783784 | 1.6274088390240553 | 0.21459643988476987 | client |
| 15 | 3proxy-devel | mix-http-3k | 0 | 0.4466429256 | 1782 | 2359.296 | 4194.304 | 6815.744 | 0 | 0 | 0 | 9.69 | 6.839910999999999 | 17.35614638827272 | 543.7710437710438 | 1742.734375 | 0.7676020836834145 | 0.8246808510638298 | 0.26192660550458713 | 1.5407710660476792 | 0.38470080894065495 | client |
| 16 | 3proxy-devel-g8000,2,2 | mix-http-3k | 0 | 0.39773675039999995 | 1761.7 | 2621.44 | 4456.448 | 6815.744 | 0 | 0 | 0 | 10.24 | 7.773994 | 20.596537764643035 | 581.2567406482375 | 1741.4921875 | 0.7823509485094851 | 0.8752136752136752 | 0.2800552740672501 | 1.6030217254403434 | 0.40365177915405875 | client |
| 17 | 3proxy-devel-g6000,2,2 | mix-http-3k | 0 | 0.4363498256 | 1757.9 | 2490.368 | 4194.304 | 6815.744 | 0 | 0 | 0 | 9.07 | 6.095030999999999 | 16.62885963119771 | 515.9565390522782 | 1737.6796875 | 0.7943409247757074 | 0.7963125548726954 | 0.24764595103578155 | 1.5874763526485614 | 0.35214853559764075 | client |
| 18 | 3proxy-devel-g6000,3,2 | mix-http-3k | 0 | 0.4485048624 | 1803.3 | 2359.296 | 4063.232 | 6553.6 | 0 | 0 | 0 | 9.62 | 6.7633019999999995 | 17.15923425850466 | 533.4664226695503 | 1758.8203125 | 0.7728668941979522 | 0.8321799307958477 | 0.25592196934509986 | 1.517819396087591 | 0.3582246577456239 | client |
| 19 | 3proxy-devel-g8000,2,3 | mix-http-3k | 0 | 0.4357314288 | 1780.3 | 2228.224 | 4063.232 | 6553.6 | 0 | 0 | 0 | 9.04 | 5.9709 | 16.597379766515477 | 507.77958770993655 | 1750.15625 | 0.7813645088117257 | 0.8021295474711624 | 0.24399615754082613 | 1.554803447601534 | 0.34212823576914136 | client |
| 20 | 3proxy-devel | relay-stream16 | 1 | 0.2901376210585935 | nan | nan | nan | nan | 0 | 0 | 1252 | 6.78 | 3.735107 | 18.667374565815592 | nan | 3.234375 | 0.01629773777669667 | 0.5931758530183727 | 0.25 | 0.012355229544827243 | 0.31404522063293594 | none |
| 21 | 3proxy-devel-g8000,2,2 | relay-stream16 | 1 | 0.274046459771559 | nan | nan | nan | nan | 0 | 0 | 1214 | 4.68 | 2.398371 | 13.643701339797477 | nan | 3.22265625 | 0.010284463894967177 | 0.430939226519337 | 0.08858267716535433 | 0.009512490918542919 | 0.11784564937637121 | none |
| 22 | 3proxy-devel-g6000,2,2 | relay-stream16 | 1 | 0.2791630229057183 | nan | nan | nan | nan | 0 | 0 | 1169 | 5.12 | 2.5270259999999998 | 14.652100525131283 | nan | 3.56640625 | 0.010743061772605193 | 0.4646098003629764 | 0.11394891944990176 | 0.012365112527476036 | 0.14531158235380312 | none |
| 23 | 3proxy-devel-g6000,3,2 | relay-stream16 | 1 | 0.27663989931136046 | nan | nan | nan | nan | 0 | 0 | 1210 | 4.99 | 2.5546729999999997 | 14.40979512147521 | nan | 3.109375 | 0.0159085816715214 | 0.4599078341013825 | 0.11286347954657466 | 0.01236449874131487 | 0.14627228124953648 | none |
| 24 | 3proxy-devel-g8000,2,3 | relay-stream16 | 1 | 0.27459355001860675 | nan | nan | nan | nan | 0 | 0 | 1163 | 4.55 | 1.993467 | 13.23941461372521 | nan | 3.45703125 | 0.016584402764067127 | 0.3763440860215054 | 0.07668161434977579 | 0.010413432204941552 | 0.10400825988244496 | none |
| 25 | nginx-halfclose | relay-stream16 | 1 | 0.29237367915619394 | nan | nan | nan | nan | 0 | 0 | 1237 | 5.75 | 2.783487 | 15.712399195804977 | nan | 29.95703125 | 0.013142454822811546 | 0.49356223175965663 | 0.22839208112023177 | 0.01046460508732018 | 0.2661263853258043 | none |
| 26 | 3proxy-devel | mix-relay-3k | 1 | 0.470834572 | 1864.9 | 2228.224 | 3932.16 | 6553.6 | 0 | 0 | 0 | 8.14 | 4.513904999999999 | 13.830760074262349 | 436.48453000160873 | 1514.44140625 | 0.7951744488804027 | 0.7053726169844021 | 0.2482501166588894 | 1.6494906670378136 | 0.33022543020708484 | client |
| 27 | 3proxy-devel-g8000,2,2 | mix-relay-3k | 1 | 0.4645820872 | 1852.8 | 2097.152 | 3932.16 | 6553.6 | 0 | 0 | 0 | 8.99 | 5.480822 | 15.480579639532861 | 485.21157167530225 | 1523.3671875 | 0.7738235790183842 | 0.7567340067340067 | 0.26147614761476146 | 1.6283570401069305 | 0.3332725168776043 | client |
| 28 | 3proxy-devel-g6000,2,2 | mix-relay-3k | 1 | 0.4731639728 | 1871.4 | 2031.616 | 3801.088 | 6553.6 | 0 | 0 | 0 | 8.64 | 4.932239 | 14.608043717059601 | 461.6864379608849 | 1517.609375 | 0.7695600068481424 | 0.7397260273972602 | 0.2482758620689655 | 1.612805693174378 | 0.31523639867179903 | client |
| 29 | 3proxy-devel-g6000,3,2 | mix-relay-3k | 1 | 0.46652418 | 1863.7 | 2097.152 | 3801.088 | 6553.6 | 0 | 0 | 0 | 8.45 | 4.874910999999999 | 14.490138539014202 | 453.3991522240704 | 1521.69140625 | 0.7892013110229429 | 0.728448275862069 | 0.25685090571295865 | 1.6573200715604735 | 0.33482151814679917 | client |
| 30 | 3proxy-devel-g8000,2,3 | mix-relay-3k | 1 | 0.4770244168 | 1895.5 | 2097.152 | 3670.016 | 6553.6 | 0 | 0 | 0 | 8.52 | 4.828679 | 14.288576768718562 | 449.48562384595095 | 1523.9296875 | 0.7861570247933884 | 0.7294520547945206 | 0.24804057169202398 | 1.6323231742128181 | 0.30525613348463315 | client |
| 31 | nginx-halfclose | mix-relay-3k | 1 | 0.48345616080000003 | 1900.3 | 2097.152 | 3801.088 | 6553.6 | 0 | 0 | 0 | 6.92 | 3.271731 | 11.450883138688923 | 364.15302846918905 | 732.95703125 | 0.7856531415853449 | 0.5884353741496599 | 0.2149404216315307 | 1.5142584513799209 | 0.26481614417837046 | client |
| 32 | 3proxy-devel | mix-http-3k | 1 | 0.4332651392 | 1752.2 | 2490.368 | 4194.304 | 6815.744 | 0 | 0 | 0 | 8.95 | 6.0745640000000005 | 16.525677586755634 | 510.7864399041205 | 1751.1953125 | 0.7929762949956102 | 0.803411131059246 | 0.26824552924117934 | 1.6293866612031995 | 0.3783764971404693 | client |
| 33 | 3proxy-devel-g8000,2,2 | mix-http-3k | 1 | 0.43092209439999996 | 1755.6 | 2621.44 | 4194.304 | 6553.6 | 0 | 0 | 0 | 9.65 | 6.939292999999999 | 17.915071193434727 | 549.669628616997 | 1759.62890625 | 0.7984402079722703 | 0.8450087565674256 | 0.2732420953279849 | 1.6227255337884134 | 0.3843583392306314 | client |
| 34 | 3proxy-devel-g6000,2,2 | mix-http-3k | 1 | 0.439271204 | 1797 | 2359.296 | 4063.232 | 6553.6 | 0 | 0 | 0 | 9.8 | 7.038708 | 17.847744010099056 | 545.353366722315 | 1764.40625 | 0.7797096556380824 | 0.8312128922815946 | 0.26294277929155313 | 1.5922582744464269 | 0.36634527323940874 | client |
| 35 | 3proxy-devel-g6000,3,2 | mix-http-3k | 1 | 0.467262084 | 1836 | 2228.224 | 4063.232 | 6553.6 | 0 | 0 | 0 | 8.61 | 5.374191 | 14.741191797620795 | 468.9542483660131 | 1748.24609375 | 0.7941279272981475 | 0.7701252236135957 | 0.23908918406072105 | 1.6045201056480323 | 0.3222787000420647 | client |
| 36 | 3proxy-devel-g8000,2,3 | mix-http-3k | 1 | 0.451902144 | 1809.8 | 2228.224 | 4063.232 | 6553.6 | 0 | 0 | 0 | 9.0 | 5.910529 | 15.93265288867494 | 497.2925185103326 | 1742.828125 | 0.77918473547268 | 0.7950530035335689 | 0.24728645587541292 | 1.5747806756410987 | 0.3355450959480344 | client |
| 37 | nginx-halfclose | mix-http-3k | 1 | 0.48383818160000003 | 1904.8 | 2031.616 | 3670.016 | 6291.456 | 0 | 0 | 0 | 7.16 | 3.467742 | 11.83866883150505 | 375.892482150357 | 517.078125 | 0.7900157095479141 | 0.6072943172179813 | 0.17620549797205948 | 1.669044132402642 | 0.2180158605769564 | client |
| 38 | 3proxy-devel-g8000,2,2 | relay-stream16 | 2 | 0.2761446213118606 | nan | nan | nan | nan | 0 | 0 | 1209 | 4.75 | 2.47703 | 13.742747069942169 | nan | 3.21875 | 0.016812227074235808 | 0.43940795559666973 | 0.09090909090909091 | 0.013314124678343534 | 0.11865668684434767 | none |
| 39 | 3proxy-devel-g6000,2,2 | relay-stream16 | 2 | 0.27961409952934174 | nan | nan | nan | nan | 0 | 0 | 1179 | 5.15 | 2.557695 | 14.704858471533496 | nan | 3.3125 | 0.011447811447811448 | 0.4681818181818182 | 0.11625615763546798 | 0.012362559925060048 | 0.14622898106223872 | none |
| 40 | 3proxy-devel-g6000,3,2 | relay-stream16 | 2 | 0.27613524510231285 | nan | nan | nan | nan | 0 | 0 | 1187 | 5.03 | 2.554063 | 14.552845844591394 | nan | 3.03515625 | 0.016466399643969738 | 0.4606227106227106 | 0.11298315163528246 | 0.015217044049020346 | 0.14629331473359228 | none |
| 41 | 3proxy-devel-g8000,2,3 | relay-stream16 | 2 | 0.2701683400271414 | nan | nan | nan | nan | 0 | 0 | 1175 | 4.67 | 2.010365 | 13.809795527495156 | nan | 3.53515625 | 0.00947136563876652 | 0.41659232827832293 | 0.08534780463739516 | 0.013314923808106937 | 0.1139691923711842 | none |
| 42 | nginx-halfclose | relay-stream16 | 2 | 0.290338043723331 | nan | nan | nan | nan | 0 | 0 | 1223 | 5.79 | 2.781016 | 15.930109749706997 | nan | 30.05859375 | 0.0156688493919551 | 0.4961439588688946 | 0.23625843780135006 | 0.013312236975647056 | 0.2656933548264082 | none |
| 43 | 3proxy-devel | relay-stream16 | 2 | 0.2878600952218508 | nan | nan | nan | nan | 0 | 0 | 1284 | 6.61 | 3.482878 | 18.344961022758277 | nan | 3.24609375 | 0.025 | 0.5772925764192139 | 0.2419753086419753 | 0.013315841099078202 | 0.2981749128179911 | none |
| 44 | 3proxy-devel-g8000,2,2 | mix-relay-3k | 2 | 0.472198704 | 1872.5 | 2228.224 | 3932.16 | 6553.6 | 0 | 0 | 0 | 8.23 | 4.709332999999999 | 13.943282656701236 | 439.51935914552735 | 1525.13671875 | 0.7966042359530895 | 0.7296099290780141 | 0.25752508361204013 | 1.656684109639838 | 0.34542998711039613 | client |
| 45 | 3proxy-devel-g6000,2,2 | mix-relay-3k | 2 | 0.4644237832 | 1834.9 | 2228.224 | 4063.232 | 6815.744 | 1 | 0 | 0 | 8.52 | 5.013005999999999 | 14.67625097284208 | 464.33048122513486 | 1512.52734375 | 0.8025432709290004 | 0.7546501328609388 | 0.25982016090866067 | 1.6988423992034674 | 0.34181214541684 | client |
| 46 | 3proxy-devel-g6000,3,2 | mix-relay-3k | 2 | 0.4731178936 | 1872 | 2097.152 | 3801.088 | 6553.6 | 0 | 0 | 0 | 8.49 | 4.918493 | 14.35582989330421 | 453.52564102564105 | 1519.875 | 0.7821152192605331 | 0.7318965517241379 | 0.2562557924003707 | 1.6455234643798748 | 0.3363266401617674 | client |
| 47 | 3proxy-devel-g8000,2,3 | mix-relay-3k | 2 | 0.438381584 | 1758.1 | 2490.368 | 4194.304 | 7077.888 | 1 | 0 | 0 | 9.27 | 6.045257999999999 | 16.916769021939572 | 527.2737614470167 | 1515.38671875 | 0.809400380162433 | 0.8032928942807626 | 0.2662037037037037 | 1.8184252371639251 | 0.35517575365178966 | client |
| 48 | nginx-halfclose | mix-relay-3k | 2 | 0.469627472 | 1870.8 | 1966.08 | 3670.016 | 6291.456 | 0 | 0 | 0 | 7.5 | 3.9803560000000004 | 12.77608393403357 | 400.89801154586274 | 745.8828125 | 0.7945372303409882 | 0.648228176318064 | 0.2380506091846298 | 1.7388715467981206 | 0.3106008899327265 | client |
| 49 | 3proxy-devel | mix-relay-3k | 2 | 0.4722031528 | 1866.8 | 2097.152 | 3801.088 | 6815.744 | 1 | 0 | 0 | 8.79 | 5.2484139999999995 | 14.891895486725772 | 470.8592243411185 | 1506.61328125 | 0.7696486165336954 | 0.7442845046570703 | 0.26858185134518925 | 1.6257701832709355 | 0.3486666343980264 | client |
| 50 | 3proxy-devel-g8000,2,2 | mix-http-3k | 2 | 0.4426122864 | 1717.1 | 2752.512 | 4456.448 | 6291.456 | 0 | 0 | 0 | 10.47 | 8.405432999999999 | 18.924011504801285 | 609.7489953992197 | 1753.19140625 | 0.7847138163582915 | 0.9064935064935065 | 0.2804878048780488 | 1.6559306296593468 | 0.3973925163195981 | client |
| 51 | 3proxy-devel-g6000,2,2 | mix-http-3k | 2 | 0.4308887064 | 1770 | 2621.44 | 4194.304 | 6553.6 | 0 | 0 | 0 | 10.3 | 8.100916999999999 | 19.12326751110226 | 581.9209039548023 | 1779.82421875 | 0.7735274204468517 | 0.8758503401360545 | 0.27775218793182865 | 1.5941156298804617 | 0.3951380633057334 | client |
| 52 | 3proxy-devel-g6000,3,2 | mix-http-3k | 2 | 0.42391196880000004 | 1704.6 | 2490.368 | 4456.448 | 6815.744 | 0 | 0 | 0 | 9.53 | 6.824733999999999 | 17.984866106946306 | 559.07544291916 | 1728.625 | 0.7829698857736241 | 0.8323144104803494 | 0.25924170616113745 | 1.6623182843298667 | 0.36100356579370196 | client |
| 53 | 3proxy-devel-g8000,2,3 | mix-http-3k | 2 | 0.4268848992 | 1726.9 | 2621.44 | 4456.448 | 6815.744 | 0 | 0 | 0 | 9.49 | 6.863972 | 17.784653460986142 | 549.5396375007239 | 1747.8125 | 0.7905869910100476 | 0.8534172661870504 | 0.27379209370424595 | 1.6039843798099707 | 0.3847403324543818 | client |
| 54 | nginx-halfclose | mix-http-3k | 2 | 0.4788040144 | 1881.7 | 2097.152 | 3801.088 | 6553.6 | 0 | 0 | 0 | 6.84 | 3.290882 | 11.42847560887117 | 363.50108944039965 | 523.171875 | 0.7747357477040374 | 0.5841161400512382 | 0.16894353369763207 | 1.5511755372016212 | 0.21087963782011054 | client |
| 55 | 3proxy-devel | mix-http-3k | 2 | 0.447990332 | 1824.4 | 2359.296 | 4194.304 | 6553.6 | 0 | 0 | 0 | 9.73 | 6.922377000000001 | 17.375374966797274 | 533.3260249945188 | 1776.03125 | 0.7686668939652234 | 0.8316239316239317 | 0.2713685193834657 | 1.5649418075861599 | 0.3816022767881712 | client |